{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T12:31:49Z","timestamp":1785155509024,"version":"3.55.0"},"reference-count":22,"publisher":"Informa UK Limited","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["British Poultry Science"],"published-print":{"date-parts":[[1991,3]]},"DOI":"10.1080\/00071669108417324","type":"journal-article","created":{"date-parts":[[2007,11,15]],"date-time":"2007-11-15T12:08:39Z","timestamp":1195128519000},"page":"21-29","source":"Crossref","is-referenced-by-count":85,"title":["Effects of increasing photoperiod length on performance and health of broiler chickens"],"prefix":"10.1080","volume":"32","author":[{"given":"H. L.","family":"Classen","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C.","family":"Riddell","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F. E.","family":"Robinson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"301","reference":[{"key":"CIT0001","first-page":"1541","volume":"29","author":"Aschoff J.","year":"1970","journal-title":"Federation of American Societies for Experimental Biology"},{"key":"CIT0002","doi-asserted-by":"publisher","DOI":"10.1016\/0006-8993(76)90983-5"},{"key":"CIT0003","doi-asserted-by":"crossref","first-page":"1072","DOI":"10.3382\/ps.0551072","volume":"55","author":"Buckland R.B.","year":"1976","journal-title":"Poultry Science"},{"key":"CIT0004","doi-asserted-by":"publisher","DOI":"10.4141\/cjas71-081"},{"key":"CIT0005","doi-asserted-by":"publisher","DOI":"10.4141\/cjas73-003"},{"key":"CIT0006","unstructured":"Classen, H.L. The role of photoperiod manipulation in broiler chicken management. Proceedings of the Third International Livestock Environment Symposium. Toronto, Canada. pp.357\u2013364."},{"key":"CIT0007","doi-asserted-by":"crossref","first-page":"873","DOI":"10.3382\/ps.0680873","volume":"68","author":"Classen H.L.","year":"1989","journal-title":"Poultry Science"},{"key":"CIT0008","doi-asserted-by":"publisher","DOI":"10.1016\/0739-7240(84)90005-5"},{"key":"CIT0009","doi-asserted-by":"crossref","first-page":"411","DOI":"10.1016\/0300-9629(81)90069-4","volume":"68","author":"Freeman B.M.","year":"1981","journal-title":"Comparative Biochemistry and Physiology"},{"key":"CIT0010","doi-asserted-by":"publisher","DOI":"10.3109\/17453677408989173"},{"key":"CIT0011","doi-asserted-by":"publisher","DOI":"10.1016\/0031-9384(87)90074-6"},{"key":"CIT0012","doi-asserted-by":"crossref","first-page":"2697","DOI":"10.3382\/ps.0592697","volume":"59","author":"Malone G.W.","year":"1980","journal-title":"Poultry Science"},{"key":"CIT0013","doi-asserted-by":"crossref","first-page":"576","DOI":"10.3382\/ps.0590576","volume":"59","author":"Malone G.W.","year":"1980","journal-title":"Poultry Science"},{"key":"CIT0014","first-page":"74","volume":"20","author":"Ononiwu J.C.","year":"1979","journal-title":"Canadian Veterinary Journal"},{"key":"CIT0015","doi-asserted-by":"publisher","DOI":"10.1016\/0165-2478(87)90169-6"},{"key":"CIT0016","first-page":"269","volume":"48","author":"Robbins K.R.","year":"1984","journal-title":"Growth"},{"key":"CIT0017","volume-title":"SAS User's Guide: Statistics","year":"1982"},{"key":"CIT0018","doi-asserted-by":"publisher","DOI":"10.1038\/195082a0"},{"key":"CIT0019","doi-asserted-by":"publisher","DOI":"10.1007\/BF02140823"},{"key":"CIT0020","first-page":"1546","volume":"61","author":"Simmons P.C.M.","year":"1982","journal-title":"Poultry Science"},{"key":"CIT0021","doi-asserted-by":"crossref","first-page":"1537","DOI":"10.3382\/ps.0631537","volume":"63","author":"Whitley R.D.","year":"1984","journal-title":"Poultry Science"},{"key":"CIT0022","doi-asserted-by":"crossref","first-page":"565","DOI":"10.3382\/ps.0630565","volume":"63","author":"Wilson J.L.","year":"1984","journal-title":"Poultry Science"}],"container-title":["British Poultry Science"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/00071669108417324","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,4]],"date-time":"2019-05-04T09:27:13Z","timestamp":1556962033000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.tandfonline.com\/doi\/abs\/10.1080\/00071669108417324"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1991,3]]},"references-count":22,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1991,3]]}},"alternative-id":["10.1080\/00071669108417324"],"URL":"https:\/\/doi.org\/10.1080\/00071669108417324","relation":{},"ISSN":["0007-1668","1466-1799"],"issn-type":[{"value":"0007-1668","type":"print"},{"value":"1466-1799","type":"electronic"}],"subject":[],"published":{"date-parts":[[1991,3]]}}}